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1691CS - 1.5" Spring Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from spring steel with 10 coils and closed & ground ends. This spring features an O.D. of 0.593", and an I.D. of 0.413".

Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 1691
Ends Closed & Ground
Finish Zinc
Free Length 1.5 in
Inside Diameter 0.413 in
Material Spring Steel
Outside Diameter 0.593 in
Part Type Standard
Rate 93 lbs/in
SKU 1691CS
Solid Length 0.9 in
Suggested Max Deflection 0.42 in
Suggested Max Load 39 lbf
Total Coils 10
Wire Diameter 0.09 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 1691
Ends Closed & Ground
Finish Zinc
Free Length 38.1 mm
Inside Diameter 10.49 mm
Material Spring Steel
Outside Diameter 15.06 mm
Part Type Standard
Rate 16.28 N/mm
SKU 1691CS
Solid Length 22.86 mm
Suggested Max Deflection 10.67 mm
Suggested Max Load 173.47 N
Total Coils 10
Wire Diameter 2.29 mm
The 1691 compression spring is engineered for optimal performance in demanding applications. Constructed from high-quality spring steel and designed with precision and durability in mind, this spring is an essential component for a variety of mechanical systems where reliable force and resilience are paramount.

The 1691CS compression spring is designed with a free length of 5" total of 16.8 coils, and a rate of 7.1 lbs/in providing a balanced combination of flexibility and strength. This spring coil, and its closed & ground end configuration allows for efficient energy storage and release, making it suitable for applications requiring precise motion control.

The 1691 spring design is ideal for use in industrial machinery, automotive systems, and various mechanical assemblies where reliable force application is crucial. Its robust construction and thoughtful design make it a dependable choice for engineers seeking a high-performance spring solution.